SharpZipLib: Reading deflate file throw "Unexpected EOF"

Describe the bug

Hello community,

i am not really firm with deflate compremissed files but with the attached file (data.zip) i get a unexpeced EOF exception from the InflaterInputStream class. It is reproducible with the following code at line var size = _inflater.Read(data, 0, data.Length);

using (var input = new FileStream(@"data4.bin", FileMode.Open))
{
  using (var output = new MemoryStream(65536))
  {
    using (var _inflater = new InflaterInputStream(input))
    {
      var data = new byte[4096];

      while (true)
      {
        data = new byte[4096];

        var size = _inflater.Read(data, 0, data.Length);

        if (size > 0)
        {
          output.Write(data, 0, size);
        }
        else
        {
          break;
        }
      }
    }
  }
}

Best regards Daniel

Reproduction Code

No response

Steps to reproduce

Create a console app, add the latest release as nuget package of SharpZipLib and run the above code.

Expected behavior

It should not throw a exception

Operating System

Windows

Framework Version

No response

Tags

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Additional context

No response

About this issue

  • Original URL
  • State: open
  • Created a year ago
  • Comments: 22 (9 by maintainers)

Most upvoted comments

It seems like the only thing we can do is to add a way to ignore the CRC (in the library, that is). It should be a useful option to have in any case…